Asteroid General Data

2021 HR

General information

Preliminary designation	2021 HR
Group	Amor
Absolute magnitude	25.85
Approximate diameter (m)	18
Approximate mass (kg)	1.06·10⁷
Number of observations	28
Arc length (days)	39

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	243.910262
a – orbit major semiaxis (astronomical units)	1.60524300
e – orbit eccentricity	0.33520300
ω – orbit ascending node-perihelion angle (degrees)	164.581317
Ω – longitude of orbit ascending node (degrees)	33.886087
i – orbit inclination to the ecliptic plane (degrees)	3.842476

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	187.333767	1.60602409	0.33557701	162.019607	35.128796	3.860136	1.06707934	2.035301
01/21/1858	282.477508	1.60556886	0.33525922	162.580667	34.873941	3.859031	1.06728710	2.034436
01/29/1887	18.654135	1.60534207	0.33534101	162.795154	34.747231	3.855620	1.06700504	2.034005
02/07/1916	115.243452	1.60576714	0.33550042	163.165447	34.550369	3.854009	1.06703160	2.034813
02/14/1945	209.930711	1.60569013	0.33532244	163.470783	34.425074	3.849244	1.06726619	2.034666
02/22/1974	304.807778	1.60610357	0.33557684	163.849188	34.204863	3.845929	1.06713240	2.035452
03/02/2003	38.064323	1.60600500	0.33537396	164.180667	34.077998	3.841584	1.06739275	2.035265
03/09/2032	132.900133	1.60541731	0.33527272	164.605989	33.865763	3.841751	1.06716468	2.034148
03/17/2061	228.609348	1.60542464	0.33534171	164.943599	33.719784	3.837195	1.06705879	2.034162
03/25/2090	325.406320	1.60523081	0.33502767	165.347646	33.512387	3.834278	1.06743407	2.033793
04/03/2119	62.581031	1.60495233	0.33537649	165.641027	33.383472	3.831364	1.06668905	2.033264
04/10/2148	161.243158	1.60453253	0.33483997	166.051497	33.174672	3.829523	1.06727091	2.032467
04/18/2177	261.617358	1.60421440	0.33507826	166.338137	33.032056	3.825964	1.06667703	2.031862

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